| Name | CVE-2019-20934 |
| Description | An issue was discovered in the Linux kernel before 5.2.6. On NUMA systems, the Linux fair scheduler has a use-after-free in show_numa_stats() because NUMA fault statistics are inappropriately freed, aka CID-16d51a590a8c. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| NVD severity | medium |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | stretch | 4.9.228-1 | fixed |
| stretch (security) | 4.9.272-2 | fixed | |
| buster | 4.19.208-1 | fixed | |
| buster (security) | 4.19.194-3 | fixed | |
| bullseye | 5.10.70-1 | fixed | |
| bullseye (security) | 5.10.46-5 | fixed | |
| bookworm | 5.14.9-2 | fixed | |
| sid | 5.14.12-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | stretch | 4.9.189-1 | |||
| linux | source | buster | 4.19.67-1 | |||
| linux | source | (unstable) | 5.2.6-1 |
https://git.kernel.org/linus/16d51a590a8ce3befb1308e0e7ab77f3b661af33
https://bugs.chromium.org/p/project-zero/issues/detail?id=1913